Webster's Revised Unabridged Dictionary · 1913

Insurgent

Insurgent , adjective

[Latin insurgens, present participle of insurgere to rise up; pref. in- in + surgere to rise. See Surge.]

Rising in opposition to civil or political authority, or against an established government; insubordinate; rebellious.
The insurgent provinces. — Motley

Insurgent , noun

[Compare French insurgent.]

A person who rises in revolt against civil authority or an established government; one who openly and actively resists the execution of laws; a rebel.